Detectors Circuits
Detectors electronic circuits and projects
Detectors circuits - related electronic projects and circuit diagrams (schematics), this helps you finding desired informations and facilitates your site navigation through all articles database.
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Ultrasonic beam barrier
Feb 20th
This circuit generates inaudible ultrasound to make a barrier across the entry. At the moment the circuit detects a break in the sound barrier, it generates a loud alarm indicating the entry of a person. This can be used to protects the entry passages and helps to detect unauthorized entry of persons in protected areas (more…)
Water Level Indicator
Jan 10th
This simple water level indicator will activate a buzzer in order to make a noise when a certain level of water is being reached. Because the water sensor and the command circuit are located on the same printed circuit board, indicator, together with its 9 V battery and the buzzer can be mounted in a compact case. Obviously the sensor, that is made by corossion, on the board, must not be mounted directly on iron or steel bathtubs but with a magnet atached on the case. Check out the new water level sensor circuit. (more…)
Water Level Sensor
Jan 9th
This simple water level sensor circuit monitors the presence of water in a certain location or container. The circuit sends an acoustic alarm when it senses a drop of water leak. It is very simple to build and it is made of a single IC and some passive components. Check out the water level indicator circuit too! (more…)
Static charge Monitor
Dec 23rd
Here is a circuit that can sense the static electricity level in the atmosphere. It gives LED indications for both positive and negative atmosphere charges (more…)
Static Electricity and Precautions
Dec 23rd
Static electricity is an imbalance in the amount of positive and negative charges found with in the surface of an object. The sudden flow of static electricity or Electrostatic discharge (ESD) can interfere with the operation of electronic circuits especially the circuits using CMOS and Microprocessor devices. (more…)
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